<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<button>按钮</button>

<ul>
    <li></li>
</ul>
<script>
    let msg={
        name:'张三',
        text:'内容'
    }
</script>
</body>
</html>